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dynsash_switch
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dynsash_switch.cpp
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C/C++ Source or Header
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2002-03-07
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8KB
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234 lines
/////////////////////////////////////////////////////////////////////////////
// Name: dynsash_switch.cpp
// Purpose: Test custom scrollbar handling of wxDynamicSashWindow by
// creating a dynamic sash window where the client scrolls a
// a subwindow of the client window by responding to scroll
// events itself
// Author: Matt Kimball
// Modified by:
// Created: 7/15/2001
// RCS-ID: $Id: dynsash_switch.cpp,v 1.3 2002/03/07 10:06:22 JS Exp $
// Copyright: (c) 2001 Matt Kimball
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWindows headers)
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include <wx/app.h>
#include <wx/frame.h>
#include <wx/choice.h>
#include <wx/dcclient.h>
#include <wx/gizmos/dynamicsash.h>
#include <wx/layout.h>
#include <wx/scrolbar.h>
class SwitchDemo : public wxApp {
public:
bool OnInit();
};
class SwitchView : public wxWindow {
public:
SwitchView(wxDynamicSashWindow *parent);
wxSize DoGetBestSize() const;
private:
void OnSize(wxSizeEvent& event);
void OnPaint(wxPaintEvent& event);
void OnChoice(wxCommandEvent& event);
void OnScroll(wxScrollEvent& event);
void OnFocus(wxFocusEvent& event);
void OnErase(wxEraseEvent& event);
void OnSplit(wxDynamicSashSplitEvent& event);
void OnUnify(wxDynamicSashUnifyEvent& event);
wxDynamicSashWindow *m_dyn_sash;
wxWindow *m_bar;
wxChoice *m_choice;
wxWindow *m_view;
};
IMPLEMENT_APP(SwitchDemo)
SwitchView::SwitchView(wxDynamicSashWindow *win) {
Create(win, -1);
m_dyn_sash = win;
m_bar = new wxWindow(this, -1, wxDefaultPosition, wxDefaultSize, wxRAISED_BORDER, "bar");
m_choice = new wxChoice(m_bar, -1);
m_choice->SetEventHandler(this);
m_view = new wxWindow(this, -1, wxDefaultPosition, wxDefaultSize, 0, "view");
m_view->SetBackgroundColour(*wxWHITE);
m_view->SetEventHandler(this);
m_choice->Append("Triangle");
m_choice->Append("Square");
m_choice->SetSelection(0);
wxLayoutConstraints *layout;
layout = new wxLayoutConstraints();
layout->left.Absolute(0);
layout->top.Absolute(0);
layout->height.Absolute(36);
layout->width.SameAs(this, wxWidth);
m_bar->SetConstraints(layout);
layout = new wxLayoutConstraints();
layout->left.Absolute(3);
layout->width.AsIs();
layout->height.AsIs();
layout->top.Absolute(3);
m_choice->SetConstraints(layout);
layout = new wxLayoutConstraints();
layout->left.Absolute(0);
layout->width.SameAs(this, wxWidth);
layout->top.Below(m_bar);
layout->bottom.SameAs(this, wxBottom);
m_view->SetConstraints(layout);
wxScrollBar *hscroll = m_dyn_sash->GetHScrollBar(this);
wxScrollBar *vscroll = m_dyn_sash->GetVScrollBar(this);
hscroll->SetEventHandler(this);
vscroll->SetEventHandler(this);
Connect(GetId(), wxEVT_SIZE, (wxObjectEventFunction)&SwitchView::OnSize);
Connect(m_choice->GetId(), wxEVT_COMMAND_CHOICE_SELECTED, (wxObjectEventFunction)&SwitchView::OnChoice);
Connect(m_view->GetId(), wxEVT_PAINT, (wxObjectEventFunction)&SwitchView::OnPaint);
Connect(-1, wxEVT_SET_FOCUS, (wxObjectEventFunction)&SwitchView::OnFocus);
Connect(-1, wxEVT_SCROLL_TOP, (wxObjectEventFunction)&SwitchView::OnScroll);
Connect(-1, wxEVT_SCROLL_BOTTOM, (wxObjectEventFunction)&SwitchView::OnScroll);
Connect(-1, wxEVT_SCROLL_LINEUP, (wxObjectEventFunction)&SwitchView::OnScroll);
Connect(-1, wxEVT_SCROLL_LINEDOWN, (wxObjectEventFunction)&SwitchView::OnScroll);
Connect(-1, wxEVT_SCROLL_PAGEUP, (wxObjectEventFunction)&SwitchView::OnScroll);
Connect(-1, wxEVT_SCROLL_PAGEDOWN, (wxObjectEventFunction)&SwitchView::OnScroll);
Connect(-1, wxEVT_SCROLL_THUMBTRACK, (wxObjectEventFunction)&SwitchView::OnScroll);
Connect(-1, wxEVT_SCROLL_THUMBRELEASE, (wxObjectEventFunction)&SwitchView::OnScroll);
Connect(-1, wxEVT_ERASE_BACKGROUND, (wxObjectEventFunction)&SwitchView::OnErase);
Connect(-1, wxEVT_DYNAMIC_SASH_SPLIT, (wxObjectEventFunction)&SwitchView::OnSplit);
Connect(-1, wxEVT_DYNAMIC_SASH_UNIFY, (wxObjectEventFunction)&SwitchView::OnUnify);
}
wxSize SwitchView::DoGetBestSize() const {
return wxSize(64, 64);
}
void SwitchView::OnSize(wxSizeEvent& event) {
Layout();
wxScrollBar *hscroll = m_dyn_sash->GetHScrollBar(this);
wxScrollBar *vscroll = m_dyn_sash->GetVScrollBar(this);
if (hscroll && vscroll) {
int hpos = hscroll->GetThumbPosition();
int vpos = vscroll->GetThumbPosition();
wxSize size = m_view->GetSize();
if (hpos + size.GetWidth() > 300)
hpos = 300 - size.GetWidth();
if (vpos + size.GetHeight() > 300)
vpos = 300 - size.GetHeight();
hscroll->SetScrollbar(hpos, size.GetWidth(), 300, size.GetWidth());
vscroll->SetScrollbar(vpos, size.GetHeight(), 300, size.GetHeight());
}
}
void SwitchView::OnPaint(wxPaintEvent& event) {
wxPaintDC dc(m_view);
wxScrollBar *hscroll = m_dyn_sash->GetHScrollBar(this);
wxScrollBar *vscroll = m_dyn_sash->GetVScrollBar(this);
dc.Clear();
dc.SetDeviceOrigin(-hscroll->GetThumbPosition(), -vscroll->GetThumbPosition());
if (m_choice->GetSelection()) {
dc.DrawLine(20, 20, 280, 20);
dc.DrawLine(280, 20, 280, 280);
dc.DrawLine(280, 280, 20, 280);
dc.DrawLine(20, 280, 20, 20);
} else {
dc.DrawLine(150, 20, 280, 280);
dc.DrawLine(280, 280, 20, 280);
dc.DrawLine(20, 280, 150, 20);
}
}
void SwitchView::OnErase(wxEraseEvent& event) {
// Do nothing
}
void SwitchView::OnSplit(wxDynamicSashSplitEvent& event) {
SwitchView *view = new SwitchView(m_dyn_sash);
view->m_choice->SetSelection(m_choice->GetSelection());
wxScrollBar *hscroll = m_dyn_sash->GetHScrollBar(this);
wxScrollBar *vscroll = m_dyn_sash->GetVScrollBar(this);
hscroll->SetEventHandler(this);
vscroll->SetEventHandler(this);
}
void SwitchView::OnUnify(wxDynamicSashUnifyEvent& event) {
wxScrollBar *hscroll = m_dyn_sash->GetHScrollBar(this);
wxScrollBar *vscroll = m_dyn_sash->GetVScrollBar(this);
hscroll->SetEventHandler(this);
vscroll->SetEventHandler(this);
}
void SwitchView::OnChoice(wxCommandEvent& event) {
m_view->Refresh();
}
void SwitchView::OnScroll(wxScrollEvent& event) {
m_view->Refresh();
}
void SwitchView::OnFocus(wxFocusEvent& event) {
wxScrollBar *hscroll = m_dyn_sash->GetHScrollBar(this);
wxScrollBar *vscroll = m_dyn_sash->GetVScrollBar(this);
if (event.m_eventObject == hscroll || event.m_eventObject == vscroll) {
m_view->SetFocus();
} else {
event.Skip();
}
}
bool SwitchDemo::OnInit() {
wxFrame *frame;
wxDynamicSashWindow *dyn;
frame = new wxFrame(NULL, -1, "Dynamic Sash Window Switch Demo");
dyn = new wxDynamicSashWindow(frame, -1, wxDefaultPosition, wxDefaultSize, wxCLIP_CHILDREN);
new SwitchView(dyn);
frame->SetSize(480, 480);
frame->Show();
return TRUE;
}